candidates have very different visions for it. >> brown: on >> brown: online, our partners at kaiser health news answer some frequently asked questions about the campaigns' approaches to medicaid. and on wednesday, well host a live video chat on the issue. you can find out more and submit your own queries on our health page. >> woodruff: now, the dismantling of middle class power and prosperity. ray suarez has our book conversation. >> suarez: one aspect of the current national campaign addressed by both parties is how hard it has been in recent years to get ahead in america, even to stay in place, as economic turmoil destroyed working lives, cratered housing values, and undermined retirement accounts. in "who stole the american dream?" veteran journalist hedrick smith takes us on a tour of the last four decades, of economic globalization, winners, and losers. hedrick smith, welcome. thanks, ray.